Subcommittee A04.75 on Gaskets and Coupling for Plumbing and Sewer Piping

Matching Standards Under the Jurisdiction of A04.75 by Status

Proposed New

  • WK82321 Standard Specification for special stainless steel shielded, rubber gasketed couplings having an integral restraint feature for joining hubless cast iron soil pipes and fittings where external restraint is needed.

  • WK90788 Special Alternative Elastomeric Compound Standard to replace Polychloroprene (Neoprene) with another compound having the same or equal characteristics compliant with the requirements found in ASTM C564